package com.zx.platform.utils;

import java.io.UnsupportedEncodingException;
import java.math.BigDecimal;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class MD5Util {
	
	public static void main(String[] args) {
		//MD5Util m = new MD5Util();
		System.out.println(getMD5Str("123456aa"));
        BigDecimal feeAmt = new BigDecimal("10")
        											.multiply(
        													new BigDecimal("0.0038"))
        											.setScale(2, BigDecimal.ROUND_UP);
        System.out.println(feeAmt.doubleValue());
	}

	public static String getMD5Str(String str) {  
        MessageDigest messageDigest = null;  
 
       try {  
            messageDigest = MessageDigest.getInstance("MD5");  
 
            messageDigest.reset();  
 
            messageDigest.update(str.getBytes("UTF-8"));  
        } catch (NoSuchAlgorithmException e) {  
            System.out.println("NoSuchAlgorithmException caught!");  
            System.exit(-1);  
        } catch (UnsupportedEncodingException e) {  
            e.printStackTrace();  
        }  
 
       byte[] byteArray = messageDigest.digest();  
 
        StringBuffer md5StrBuff = new StringBuffer();  
 
       for (int i = 0; i < byteArray.length; i++) {              
           if (Integer.toHexString(0xFF & byteArray[i]).length() == 1)  
                md5StrBuff.append("0").append(Integer.toHexString(0xFF & byteArray[i]));  
           else  
                md5StrBuff.append(Integer.toHexString(0xFF & byteArray[i]));  
        }  
 
       return md5StrBuff.toString();  
    }  
}
